Finding the Fourth Proportional to 19,005,326.31, 26,249,001.65 and 12,883,125.99
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Solution
The fourth proportional to 19,005,326.31, 26,249,001.65 and 12,883,125.99 is: 17,793,390.64
Step by Step Solution
- Step 1: Write the proportion equation
19,005,326.31 : 26,249,001.65 = 12,883,125.99 : x - Step 2: Convert to fraction form
19,005,326.31/26,249,001.65 = 12,883,125.99/x - Step 3: Cross multiply
19,005,326.31x = 26,249,001.65 × 12,883,125.99 - Step 4: Simplify right side
19,005,326.31x = 338,169,195,368,667.88 - Step 5: Solve for x
x = 338,169,195,368,667.88/19,005,326.31 - Step 6: Final answer
x = 17,793,390.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.